The attorney of record on behalf of a local child support agency appearing in any action under title IV-D of the Social Security Act is the director of the local child support agency, or if the director of that agency is not an attorney, the senior attorney of that agency or an attorney designated by the director for that purpose. Notwithstanding any other rule, including but not limited to rule 2.100-2.119, the name, address, and telephone number of the county child support agency and the name of the attorney of record are sufficient for any papers filed by the child support agency. The name of the deputy or assistant district attorney or attorney of the child support agency, who is not attorney of record, and the State Bar number of the attorney of record or any of his or her assistants are not required.